as I understand it, tennis balls are vacume packed so they retain their bounce, once the pack (can) is opened and they’re exposed to normal air conditions they start loseing their bounce, refrigeration can help sustain it, and at a pro level you want to keep the balls as fresh as possible.
as I understand it, tennis balls are vacume packed so they retain their bounce, once the pack (can) is opened and they’re exposed to normal air conditions they start loseing their bounce, refrigeration can help sustain it, and at a pro level you want to keep the balls as fresh as possible.